Table 2

Mean values of GP‡ and practice variables for affluent and deprived groups, 1991–1999

	1991	1992	1993	1994	1995	1996	1997	1998	1999	Change per year†
*Ratios are calculated as deprived mean/affluent mean with equality represented by a ratio of 1.
†Change per year is the mean of estimates for each area in the group found by regression analysis, rates of change significantly different (95% confidence levels) in both groups are shown in bold type.
‡GPs are unrestricted principals.
% Lone practitioners
affluent	6.63	6.31	5.70	5.66	5.42	5.02	4.92	4.77	4.88	−0.23
neither	13.31	13.06	13.09	13.34	12.85	13.15	12.95	12.44	12.81	−0.10
deprived	18.99	18.96	18.45	19.19	18.91	17.55	17.38	17.61	17.54	−0.23
*ratio	2.86	3.01	3.23	3.39	3.49	3.49	3.53	3.69	3.59
% GPs aged 65 and over
affluent	1.57	1.05	1.08	1.06	0.95	0.70	0.64	0.49	0.62	−0.11
neither	3.56	2.34	2.21	2.03	1.90	2.10	2.22	2.06	2.14	−0.11
deprived	4.62	3.21	2.68	2.46	2.70	2.55	2.65	2.89	2.97	−0.13
*ratio	2.95	3.05	2.49	2.32	2.85	3.62	4.15	5.84	4.76
List inflation (female)
affluent	1.72	0.74	0.49	2.19	1.51	1.64	1.69	2.01	3.03	0.06
neither	3.03	2.26	2.04	1.37	1.27	1.38	3.37	3.05	3.29	−0.24
deprived	10.00	9.65	9.56	7.81	7.71	7.01	7.02	7.13	5.50	−0.57
*ratio	5.81	13.04	19.51	3.57	5.11	4.27	4.15	3.55	1.82
Number of GPs per 10000 registered population
affluent	5.41	5.33	5.41	5.42	5.48	5.53	5.55	5.59	5.65	0.03
neither	5.07	5.04	5.12	5.15	5.17	5.20	5.20	5.23	5.30	0.03
deprived	4.96	4.89	4.92	5.00	5.00	5.06	5.08	5.12	5.22	0.03
*ratio	0.92	0.92	0.91	0.92	0.91	0.91	0.92	0.92	0.92
Number of practice nurses per 10000 registered population
affluent	1.80	1.91	2.04	2.06	1.91	1.99	1.95	2.06	2.10	0.02
neither	1.40	1.69	1.75	1.82	1.77	1.85	1.91	1.88	2.21	0.07
deprived	1.35	1.51	1.59	1.74	1.63	1.93	1.94	1.98	2.05	0.09
*ratio	0.75	0.79	0.78	0.85	0.85	0.97	0.99	0.96	0.98
% Practices with a female GP
affluent	61.04	62.38	64.13	66.42	67.79	68.29	69.92	71.37	71.76	1.39
neither	52.38	54.09	54.74	55.58	55.55	56.08	57.25	58.97	59.16	0.79
deprived	47.94	48.50	48.52	49.68	50.17	51.36	51.70	51.50	52.57	0.59
*ratio	0.79	0.78	0.76	0.75	0.74	0.75	0.74	0.72	0.73
% Practices with an approved trainer
affluent	30.16	31.05	30.89	31.81	32.99	33.08	33.68	33.85	34.80	0.56
neither	20.03	20.75	20.56	21.03	21.26	20.72	21.45	21.71	10.29	0.20
deprived	13.26	13.55	13.70	14.26	15.21	15.78	16.10	16.32	16.91	0.49
*ratio	0.44	0.44	0.44	0.45	0.46	0.48	0.48	0.48	0.49
Average practice size
affluent	3.37	3.45	3.48	3.54	3.59	3.64	3.69	3.75	3.75	0.05
neither	2.78	2.80	2.79	2.84	2.86	2.85	2.87	2.90	2.89	0.02
deprived	2.28	2.31	2.31	2.33	2.33	2.38	2.41	2.42	2.44	0.02
*ratio	0.68	0.67	0.66	0.66	0.65	0.66	0.65	0.65	0.65